<br><b>Code</b>: rsb:print<br><b>Error</b>: Formatter [ extraconnectionprops ] failed in the evaluation of <p> ????????????UI ??????????????????? [company_name] ADO.NET Provider for [service] ?????Visual Studio ??Windows Forms ???Web Forms ?[datasource] ???????????????????[datasource] ??????????????????????????????????????????? Code Walk-through ???????????????10???????????? </p> <h2>?????????????</h2> <p> ????????3??????????????;???????????????????????????????????? </p> <h2>??????????????????????</h2> <p> ?????????????????????????????????????[service] ????????????????????????????[service] ???????????? </p> <ol> <li>Windows Forms ??????????????????????????????????????&??????????????????????????? DataSource ????????????????????????????????? <img src="../articles/ado-chart-1.png" title="Add a data source to be bound to the chart."/> </li> <li>???????????????????????? -> ????????????? <li>??????????????????????????? <li><p>???????????????????????????[company_name] [service] ??????????????????????????????????????????:</p> <code>[extraconnectionprops]. The error was: The value of the attribute could not be accessed: The attribute does not exist.<br><b>URL</b>: /jp/kb/tech/veevacrm-ado-chart.rst